Perry was supposed to appear in a Sept. 27, 2010, episode of "Sesame Street" singing a version of her hit song "Hot n Cold" to Elmo, but the segment was pulled and instead put online after parents complained about her outfit.

Perry later made light of the controversy with an appearance on "Saturday Night Live" in a low-cut Elmo shirt.

Perry released her own fragrance, Purr, in November 2010.

Perry voiced a role as herself in an episode of "The Simpsons" that ran Dec. 5, 2010. She's seen here in a promotional photo session for the show.

Katy Perry sings during a taped rehearsal for the Grammy nominations television special in Los Angeles on Nov. 30, 2010.

Perry guest starred in a Season 6 episode of "How I Met Your Mother" titled "Oh, Honey" that ran on Feb. 7, 2011.

Russell Brand and Katy Perry arrive for the European premiere of the film "Arthur" in London on April 19, 2011.

Perry at the April 30, 2011, launch event for her perfume.

Katy Perry, who voiced the character of "Smurfette" in the live action/animated movie "The Smurfs," attends the movie's premiere at the Ziegfeld Theater in New York City on July 24, 2011.

Katy Perry poses with the three awards she won at the 2011 MTV Video Music Awards in Los Angeles on Aug. 28, 2011.

On June 5, 2012, Electronic Arts released "The Sims 3: Katy Perry's Sweet Treats." The game is set around her candy-themed franchise with candy-themed objects, styles, clothes, hair, patterns and more.

Perry arrives at the Australian premiere of "Part of Me" in Sydney on June 30, 2012.

Katy Perry performs at the Hollywood premiere of "Katy Perry: Part of Me" at Grauman's Chinese theatre on June 26, 2012.

The 3D documentary concert film opened on July 5, 2012, and made about $32.2 million worldwide.

Perry performing during her California Dreams Tour on Sept. 23, 2012.

Perry performs at the Kids Inaugural Concert for Children and Military Families, one of the events ahead of the second-term inauguration of President Barack Obama, on Jan. 19, 2013, in Washington, D.C.

Perry's fourth studio album, "Prism," was released on Oct. 18, 2013. The album's first single, "Roar," was released in August 2013 and climbed to the top of the U.S. Billboard Hot 100 chart and peaked in the top 10 in 25 different countries.

Perry arrives at the 41st American Music Awards in Los Angeles on Nov. 24, 2013.

Perry arrives at the NRJ Music Awards in Cannes, France, on Dec. 14, 2013.

Perry attends "The Night That Changed America: A Grammy Salute To The Beatles" in Los Angeles on Jan. 27, 2014.

Perry tweeted this selfie she took with Vice President Joe Biden in June 2014.

Perry performs at a concert commemorating the Special Olympics at the White House in Washington, D.C., on July 31, 2014.

Perry showed off several different styles during the halftime show for Super Bowl XLIX on February 1, 2015, including a dress designed to look like flames that she wore while riding a giant gold tiger.

Later in the Super Bowl halftime performance, she sported a beachball-themed dress while backed up by dancing sharks and beachballs.

She also donned a giant bejeweled 49 sweatshirt while performing with Missy Elliott during the halftime show.